<ul class="nav nav-tabs">
  <li class="nav-item">
    <a class="nav-link" routerLink="/admin/newslistforadmin">新闻管理</a>
  </li>
  <li class="nav-item">
    <a class="nav-link" routerLink="/admin/carousellist">轮播管理</a>
  </li>

</ul>

<router-outlet></router-outlet>
